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All results from a given calculation for C4H8OS (s-Ethyl thioacetate)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-628.384802
Energy at 298.15K-628.393137
Nuclear repulsion energy294.604204
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3111 3064 1.16      
2 A 3080 3034 9.90      
3 A 3077 3030 8.95      
4 A 3065 3019 1.27      
5 A 3044 2998 2.40      
6 A 2990 2946 20.87      
7 A 2988 2943 8.75      
8 A 2985 2940 3.81      
9 A 1761 1735 345.15      
10 A 1437 1416 7.89      
11 A 1429 1407 17.99      
12 A 1414 1393 0.55      
13 A 1400 1379 23.09      
14 A 1383 1363 28.92      
15 A 1355 1334 15.94      
16 A 1314 1295 47.44      
17 A 1244 1225 17.58      
18 A 1213 1195 0.02      
19 A 1130 1113 161.47      
20 A 1070 1054 11.63      
21 A 1005 990 0.01      
22 A 984 970 5.99      
23 A 969 955 1.77      
24 A 924 910 15.60      
25 A 770 758 7.14      
26 A 702 691 0.86      
27 A 647 637 56.37      
28 A 502 494 0.66      
29 A 437 431 3.18      
30 A 375 370 2.10      
31 A 305 300 1.15      
32 A 262 258 0.03      
33 A 163 160 1.20      
34 A 145 143 0.24      
35 A 97 95 0.74      
36 A 47 46 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 24409.8 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 24043.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/6-31+G**
ABC
0.21554 0.05564 0.04537

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.362 -0.797 0.000
C2 1.390 -0.066 0.000
S3 -0.225 -0.813 -0.000
H4 0.976 1.852 -0.888
H5 2.538 1.711 -0.000
H6 0.977 1.852 0.888
C7 1.476 1.425 -0.000
H8 -1.211 1.208 0.893
H9 -1.211 1.208 -0.894
C10 -1.386 0.583 -0.000
H11 -2.982 -0.586 -0.891
H12 -3.526 0.860 0.000
H13 -2.982 -0.586 0.892
C14 -2.793 0.036 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21572.58643.11812.51343.11782.39174.19254.19293.99315.42186.11565.42155.2210
C21.21571.77962.15342.11482.15341.49323.03073.03112.85064.49265.00204.49234.1840
S32.58641.77963.05543.74203.05592.81112.41992.41991.81582.90683.70052.90682.7046
H43.11812.15343.05541.80131.77511.10422.89332.28072.82474.64954.69494.97784.2772
H52.51342.11483.74201.80131.80131.09983.88643.88674.08246.04486.12286.04465.5875
H63.11782.15343.05591.77511.80131.10422.28092.89452.82544.97854.69544.64954.2777
C72.39171.49322.81111.10421.09981.10422.83952.84012.98284.97115.03324.97084.4888
H84.19253.03072.41992.89333.88642.28092.83951.78731.10433.08862.50542.52072.1620
H94.19293.03112.41992.28073.88672.89452.84011.78731.10432.52072.50543.08862.1619
C103.99312.85061.81582.82474.08242.82542.98281.10431.10432.16992.15762.16991.5096
H115.42184.49262.90684.64956.04484.97854.97113.08862.52072.16991.78281.78241.1028
H126.11565.00203.70054.69496.12284.69545.03322.50542.50542.15761.78281.78281.1027
H135.42154.49232.90684.97786.04464.64954.97082.52073.08862.16991.78241.78281.1028
C145.22104.18402.70464.27725.58754.27774.48882.16202.16191.50961.10281.10271.1028

picture of s-Ethyl thioacetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 S3 118.200 O1 C2 C7 123.671
C2 S3 C10 104.901 C2 C7 H4 111.128
C2 C7 H5 108.336 C2 C7 H6 111.121
S3 C2 C7 118.129 S3 C10 H8 109.506
S3 C10 H9 109.506 S3 C10 C14 108.490
H4 C7 H5 109.628 H4 C7 H6 106.991
H5 C7 H6 109.624 H8 C10 H9 108.038
H8 C10 C14 110.644 H9 C10 C14 110.643
C10 C14 H11 111.372 C10 C14 H12 110.398
C10 C14 H13 111.372 H11 C14 H12 107.866
H11 C14 H13 107.816 H12 C14 H13 107.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.340      
2 C 0.129      
3 S 0.246      
4 H 0.205      
5 H 0.225      
6 H 0.205      
7 C -0.572      
8 H 0.218      
9 H 0.218      
10 C -0.300      
11 H 0.210      
12 H 0.199      
13 H 0.210      
14 C -0.853      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.068 3.542 -0.000 4.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.212 4.192 -0.001
y 4.192 -45.395 0.001
z -0.001 0.001 -44.738
Traceless
 xyz
x -3.145 4.192 -0.001
y 4.192 1.080 0.001
z -0.001 0.001 2.066
Polar
3z2-r24.131
x2-y2-2.817
xy4.192
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.663 0.013 0.000
y 0.013 10.434 -0.000
z 0.000 -0.000 7.955


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000